Cake Serving Calculator
Calculate how many slices your cake will yield based on diameter, layers, and serving style.
Cake Serving Calculator
inches
layers
Serving Style
Estimated Servings
18 slices
9" round × 2 layers — 1½" × 2" slice
Cake Area64 sq in
StyleParty Slice
Quick Reference — Party Slice
| Pan Size | 1 Layer | 2 Layers | 3 Layers |
|---|---|---|---|
| 6" round | 4 | 8 | 12 |
| 8" round | 7 | 14 | 22 |
| 9" round | 9 | 18 | 27 |
| 10" round | 11 | 22 | 34 |
| 12" round | 16 | 32 | 48 |
| 14" round | 22 | 44 | 66 |
Serving Size Guide
Standard cake serving sizes vary by occasion:
- Party slice: 1½" × 2" — the most common home serving size
- Wedding slice: 1" × 2" — narrower slices for large events
- Dessert slice: 2½" × 2½" — generous restaurant-style serving
Multi-Tier Wedding Cake Guide
| Tier Setup | Wedding Servings | Party Servings |
|---|---|---|
| 6" + 8" + 10" | ~75 | ~50 |
| 6" + 9" + 12" | ~100 | ~65 |
| 6" + 8" + 10" + 12" | ~130 | ~85 |
| 6" + 9" + 12" + 15" | ~180 | ~120 |